EP 4199202 A1 20230621 - POUCH TYPE BATTERY CASE AND POUCH TYPE SECONDARY BATTERY
Title (en)
POUCH TYPE BATTERY CASE AND POUCH TYPE SECONDARY BATTERY
Title (de)
BEUTELARTIGES BATTERIEGEHÄUSE UND BEUTELARTIGE SEKUNDÄRBATTERIE
Title (fr)
BOÎTIER DE BATTERIE DE TYPE POCHE ET BATTERIE SECONDAIRE DE TYPE POCHE
Publication
Application
Priority
- KR 20200104226 A 20200819
- KR 20210074470 A 20210608
- KR 2021011058 W 20210819
Abstract (en)
A pouch-type battery case according to an embodiment of the present invention includes a cup part configured to accommodate an electrode assembly of stacked electrodes and separators the cup part including a plurality of punch edges connecting a plurality of outer walls surrounding a periphery of the cup part to a bottom part of the cup part, respectively, and each of the punch edge being rounded with a curvature radius of 1 mm or less.
IPC 8 full level
H01M 50/116 (2021.01); B32B 15/20 (2006.01); C22C 21/00 (2006.01); H01M 50/124 (2021.01)
CPC (source: EP KR US)
B32B 5/02 (2013.01 - EP); B32B 15/082 (2013.01 - EP); B32B 15/085 (2013.01 - EP); B32B 15/088 (2013.01 - EP); B32B 15/09 (2013.01 - EP); B32B 15/10 (2013.01 - EP); B32B 15/14 (2013.01 - EP); B32B 15/20 (2013.01 - EP KR); B32B 21/08 (2013.01 - EP); B32B 21/10 (2013.01 - EP); B32B 27/08 (2013.01 - EP); B32B 27/281 (2013.01 - EP); B32B 27/304 (2013.01 - EP); B32B 27/308 (2013.01 - EP); B32B 27/32 (2013.01 - EP); B32B 27/34 (2013.01 - EP); B32B 27/36 (2013.01 - EP); B32B 27/365 (2013.01 - EP); C22C 21/00 (2013.01 - EP KR); H01M 10/049 (2013.01 - KR); H01M 50/102 (2021.01 - EP); H01M 50/105 (2021.01 - EP US); H01M 50/116 (2021.01 - KR); H01M 50/119 (2021.01 - EP US); H01M 50/121 (2021.01 - EP); H01M 50/124 (2021.01 - EP KR); H01M 50/129 (2021.01 - US); H01M 50/141 (2021.01 - US); H01M 50/358 (2021.01 - EP); B32B 2262/101 (2013.01 - EP); B32B 2307/7246 (2013.01 - EP); B32B 2307/7376 (2023.05 - EP); B32B 2439/46 (2013.01 - EP); Y02E 60/10 (2013.01 - EP KR)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
EP 4199202 A1 20230621; CN 115917842 A 20230404; JP 2023538385 A 20230907; KR 102634446 B1 20240206; KR 20220022883 A 20220228; US 2023361389 A1 20231109; WO 2022039533 A1 20220224
DOCDB simple family (application)
EP 21858620 A 20210819; CN 202180050872 A 20210819; JP 2023512207 A 20210819; KR 20210109781 A 20210819; KR 2021011058 W 20210819; US 202118021940 A 20210819